Cc compare spectra

[chuntian236]

Created "compare_utils.py" for spectra comparison and alignment:
https://github.com/AI-multimodal/Lightshow/blob/cc-compare-spectra/lightshow/postprocess/compare_utils.py

Jupyter notebook:
https://github.com/AI-multimodal/Lightshow/blob/cc-compare-spectra/notebooks/compare_spectra.ipynb

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 83 lines in your changes are missing coverage. Please review.

Project coverage is 63.42%. Comparing base (d508d84) to head (19a1a04).
Report is 1 commits behind head on master.

Files	Patch %	Lines
lightshow/postprocess/compare_utils.py	0.00%	83 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #242      +/-   ##
==========================================
- Coverage   67.87%   63.42%   -4.46%     
==========================================
  Files          14       15       +1     
  Lines        1183     1266      +83     
==========================================
  Hits          803      803              
- Misses        380      463      +83     

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[matthewcarbone]

Overall very nice. Just a few nitpicks then I can merge. Thanks!

[matthewcarbone]

I think the code looks good but we need to improve the documentation here a bit more. Docs should follow the NumPy style. @chuntian236, do you want to do this here or should we just open an issue and do it later?

[chuntian236]

I think the code looks good but we need to improve the documentation here a bit more. Docs should follow the NumPy style. @chuntian236, do you want to do this here or should we just open an issue and do it later?

Let me try to do this here. I might forget everything if I decide to do it later.

[matthewcarbone]

This is way better. Some nitpicks here and there but honestly I don't really mind merging at this stage.